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REGULATORY FRAMEWORK - Universal Service Regulation (Details) - item |  | 12 Months Ended
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Apr. 04, 2008 | Dec. 31, 2017
Regulatory framework |  |
Period within which the coverage for fixed line networks is to be extended | 60 months |
Telefonica |  |
Regulatory framework |  |
Number of members of the technical committee to be appointed by the company along with the counterparty |  | 2
Telefonica |  |
Regulatory framework |  |
Period within which the coverage for fixed line networks is to be extended | 60 months |

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Represents the number of members of the technical committee, which the company and the counterparty should jointly appoint as per the Decree of Universal Service Regulation. + References No definition available. + Details
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- Definition Represents the period within which the coverage of the company's fixed line networks are to be extended, as per the Decree of Universal Service Regulation, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. + References No definition available. + Details
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- Details
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- Details
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